Motor and gear cavity shell three-coordinate inspection fixing tool

Abstract

The utility model belongs to the technical field of shell plate quality inspection tools, and particularly provides a motor and gear cavity shell three-coordinate inspection fixing tool which comprises a base plate, a supporting block, a hinge seat and a clamping frame, the hinge seat is fixedly installed on the upper surface of the base plate, the supporting block is vertically assembled on the side wall of the hinge seat, and the clamping frame is assembled on the hinge seat; the clamping frame is in a U shape, the two ends of the clamping frame are clamping ends, and the motor and the gear cavity shell are clamped between the two clamping ends. According to the tool, the motor and the gear cavity shell are positioned through the clamping frame, the clamping frame has a horizontal working posture and a vertical working posture, the perpendicularity of the clamping frame after rotation is limited through the supporting block, and the precision of the tool is improved; the positioning mode that the pressure rod is matched with the fixing pin is adopted, in the downward pressing process of the pressure rod, thrust is output to the motor and the gear cavity shell, the effect of correcting the clamping position and angle of the motor and the gear cavity shell is achieved, and the clamping precision is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of housing plate quality inspection tooling, and in particular provides a three-coordinate inspection fixing tooling for a motor and a gear cavity housing. Background Art

[0002] The three-coordinate inspection fixture is mainly used in the dimensional inspection process of various vacuum pump motor cavities and gear cavities to ensure that the workpiece is fixed in position and stable in the three-coordinate inspection process.

[0003] Currently, three-dimensional inspection of motor and gear cavities typically relies on fixtures or clamps. This method can easily lead to workpiece wear and, due to inaccurate positioning of the motor and gear cavities, affects measurement accuracy.

[0004] The specifications of the tooling are relatively fixed and have poor applicability. Even if the same fixed tooling is used for the same product with small size differences, there will be a gap between the positioning end of its bracket and the outer wall of the workpiece, resulting in insufficient clamping stability. In order to solve the above problems, in-depth research was conducted, which led to the creation of this case. Utility Model Content

[0005] In view of the deficiencies of the prior art, the present invention provides a three-coordinate inspection fixture for a motor and a gear cavity housing, which solves the problems of the prior art.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: To solve the above technical problems, the present invention adopts the following technical solutions: a three-coordinate inspection fixture for a motor and a gear cavity housing, comprising a chassis, a support block, an articulated seat and a clamping frame, wherein the articulated seat is fixedly mounted on the upper surface of the chassis, the support block is vertically mounted on the side wall of the articulated seat, and the clamping frame is mounted on the articulated seat;

[0007] The clamping frame is in a "U" shape, with both ends of the clamping frame being clamping ends, and the motor and the gear chamber housing are clamped between the two clamping ends.

[0008] Furthermore, fixing pins are fixedly installed on the side walls of the two clamping ends by bolts, and the top ends of the fixing pins are clamped with connecting rods, and screws are integrally formed on the side walls of the connecting rods.

[0009] Furthermore, a pressure rod is fixedly mounted on the side wall of the clamping frame, the movable head of the pressure rod is buckled with the screw rod, and the two are fixedly connected by a nut.

[0010] Furthermore, a pin hole is provided in the middle of the clamping frame, and a positioning bolt assembly is horizontally assembled on the support block. When the clamping frame is rotated to a vertical posture, the positioning bolt assembly passes through the pin hole, and the clamping frame can be positioned by tightening the positioning bolt assembly.

[0011] Furthermore, the two clamping ends of the clamping frame are provided with a clamping block assembly groove, the movable clamping block is arranged at the clamping block assembly groove, and the fitting surfaces of the movable clamping block and the clamping block assembly groove are both guide inclined surfaces, and the movable clamping block is provided with a strip-shaped through hole, and the top end of the fixing pin passes through the strip-shaped through hole;

[0012] The movable clamping block is made of a material with elastic deformation properties such as rubber.

[0013] Furthermore, the chassis is fixed to an external workbench by bolts.

[0014] Beneficial effects

[0015] This utility model provides a three-dimensional inspection fixture for motors and gear housings. It has the following beneficial effects: The fixture positions the motor and gear housing using a clamping frame, which has two working positions: horizontal and vertical. Support blocks limit the verticality of the clamping frame after rotation, improving the fixture's accuracy.

[0016] The positioning method adopts the cooperation of pressure rod and fixed pin. When the pressure rod is pressed down, it outputs thrust to the motor and gear cavity housing, which corrects the clamping position and angle and improves the clamping accuracy.

[0017] The clamping end of the clamping frame adopts a movable clamping block with a guide slope. When the pressure rod is pressed down, the motor and gear cavity housing are clamped and fixed for the second time to ensure the stability of the clamping during the inspection process.

[0018] Moreover, the sliding clamping method of the movable clamping block can adapt to the same motor and gear cavity housing products of different specifications within a certain floating range, making the tooling have a certain adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the utility model in the state of clamping the motor gear cavity;

[0020] Figure 2 This is another schematic diagram of the utility model in the state of clamping the motor gear cavity;

[0021] Figure 3 It is a structural diagram of the utility model;

[0022] Figure 4 This is a schematic structural diagram of the clamping frame of the utility model;

[0023] Figure 5 This is another structural schematic diagram of the clamping frame of the utility model;

[0024] Figure 6 This is a schematic structural diagram of the pressure rod of the utility model;

[0025] Figure 7 This is a schematic diagram of the assembly position of the hinged seat of the utility model;

[0026] The reference numerals include: 1. chassis; 2. support block; 3. articulated seat; 4. clamping frame; 401. movable clamping block; 402. fixing pin; 403. clamping block assembly groove; 404. guide slope; 405. strip through hole; 406. pin hole; 5. positioning bolt assembly; 6. pressure rod; 601. connecting rod; 602. screw; 7. motor and gear chamber housing; 8. workbench. DETAILED DESCRIPTION

[0027] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-7 , the utility model provides an implementation scheme: refer to Figure 1-Figure 7 A three-coordinate inspection fixture for motor and gear cavity housing, comprising a chassis 1, a support block 2, an articulated seat 3 and a clamping frame 4. The articulated seat 3 is fixedly mounted on the upper surface of the chassis 1, the support block 2 is vertically mounted on the side wall of the articulated seat 3, and the clamping frame 4 is mounted on the articulated seat 3;

[0029] The clamping frame 4 is in a "U" shape, with both ends of the clamping frame 4 being clamping ends, and the motor and the gear chamber housing 7 are clamped between the two clamping ends.

[0030] The clamping frame 4 can rotate around the hinge seat 3 with a rotation range of 90°, and its main working postures are horizontal and vertical.

[0031] The side walls of the two clamping ends are fixed with fixing pins 402 by bolts. The top ends of the fixing pins 402 are clamped with connecting rods 601. The side walls of the connecting rods 601 are integrally formed with screws 602.

[0032] When the motor and gear chamber housing 7 are clamped on the clamping frame 4 , the fixing pin 402 passes through the positioning hole on the outer edge of the motor and gear chamber housing 7 to achieve the positioning of the motor and gear chamber housing 7 .

[0033] A pressure rod 6 is fixedly mounted on the side wall of the clamping frame 4. The movable head of the pressure rod 6 engages with the screw 602, and the two are fixedly connected by a nut.

[0034] When the pressure rod 6 is pressed downward, the connecting rod 601 fits against the surface of the outer edge of the motor and gear chamber housing 7 and presses and fixes them.

[0035] A pin hole 406 is provided in the middle of the clamping frame 4, and a positioning bolt assembly 5 is horizontally assembled on the support block 2. When the clamping frame 4 is rotated to a vertical posture, the positioning bolt assembly 5 passes through the pin hole 406. By tightening the positioning bolt assembly 5, the clamping frame 4 can be positioned to ensure that the clamping frame 4 is accurately in a vertical posture.

[0036] The two clamping ends of the clamping frame 4 are each provided with a clamping block assembly groove 403, and the movable clamping block 401 is arranged in the clamping block assembly groove 403, and the contact surfaces of the movable clamping block 401 and the clamping block assembly groove 403 are both guide inclined surfaces 404. The movable clamping block 401 is provided with a strip-shaped through hole 405, and the top end of the fixing pin 402 passes through the strip-shaped through hole 405;

[0037] The movable clamping block 401 is made of a material having elastic deformation properties such as rubber.

[0038] When the movable clamping block 401 is subjected to pressure, the movable clamping block 401 slides along the guide slope 404, and the two movable clamping blocks 401 gather inward to clamp the side walls of the motor and the gear chamber housing 7;

[0039] During the sliding process, the strip-shaped through hole 405 and the fixing pin 402 cooperate to limit the sliding direction of the movable clamp 401, and cooperate with the guide slope 404 to ensure that the movable clamp 401 accurately applies vertical pressure to the motor and gear chamber housing 7 to clamp it.

[0040] Specifically, assume that the maximum surface area of ​​the motor and gear cavity housing 7 is x (m2), the surface area of ​​the chassis 1 is less than 2x and greater than x, the hinge seat 3 is located at a position deviated from the center of the surface of the chassis 1, and the upper surface of the chassis 1 is divided into two parts A and B with the hinge seat 3 as the boundary. The area of ​​surface A is greater than x, and the area of ​​surface B is less than x. The support block 2 is located in surface B. When the clamping frame 4 is in a horizontal state, the motor and gear cavity housing 7 stay on surface A.

[0041] The chassis 1 is fixed to an external workbench 8 by bolts.

[0042] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A three-coordinate inspection fixture for motor and gear housing, characterized by: It includes a chassis, a support block, an articulated seat and a clamping frame, the articulated seat is fixedly installed on the upper surface of the chassis, the support block is vertically assembled on the side wall of the articulated seat, and the clamping frame is assembled on the articulated seat; The clamping frame is in a "U" shape, with both ends of the clamping frame being clamping ends, and the motor and the gear chamber housing are clamped between the two clamping ends.

2. A three-coordinate inspection fixture for a motor and a gear housing according to claim 1, characterized in that: Fixing pins are fixedly installed on the side walls of the two clamping ends by bolts, and the top ends of the fixing pins are clamped with connecting rods, and screws are integrally formed on the side walls of the connecting rods.

3. The three-coordinate inspection fixture for a motor and a gear housing according to claim 1, characterized in that: A pressure rod is fixedly installed on the side wall of the clamping frame, the movable head of the pressure rod is buckled with the screw rod, and the two are fixedly connected by a nut.

4. The three-coordinate inspection fixture for a motor and a gear housing according to claim 1, characterized in that: A pin hole is provided in the middle of the clamping frame, and a positioning bolt assembly is horizontally assembled on the support block. When the clamping frame is rotated to a vertical posture, the positioning bolt assembly passes through the pin hole, and the clamping frame can be positioned by tightening the positioning bolt assembly.

5. The three-coordinate inspection fixture for a motor and a gear housing according to claim 1, characterized in that: The two clamping ends of the clamping frame are provided with clamping block assembly grooves, the movable clamping block is arranged at the clamping block assembly groove, and the fitting surfaces of the movable clamping block and the clamping block assembly groove are both guide inclined surfaces, and the movable clamping block is provided with a strip-shaped through hole, and the top end of the fixing pin passes through the strip-shaped through hole; The movable clamping block is made of a material with elastic deformation properties such as rubber.

6. The three-coordinate inspection fixture for a motor and a gear housing according to claim 1, characterized in that: The chassis is fixed to an external workbench by bolts.

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